sept 17th

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In an ecosystem matter is recycled and energy flows through.

Today in class we are going examine the first part of this statement by making posters that show biogeochemical cycling.

The poster topics are

Sulfur cycle
Phosphate cycle
Carbon Cycle
Water Cycle
Nitrogen Cycle
Rock Cycle

your task today is to

1. Create 2 posters

• First, a poster that has the cycle labeled with the reactants and the products for each chemical reaction with the biological, geological or chemical condition in which it occurs
• Second, an unlabeled poster for review purposes.

2. Research the following

•  Time spent in each phase and how much is in each phase
•  Specific example of the cycle in an ecosystem

A. research how this cycle is a limiting factor and what the evolutionary response to this is.
B. research how the system uses this material and what support is needed to keep the cycle going if any.